<!-- 二级分类页面 -->
<script setup>
import { getCategoryFilterAPI } from '@/apis/SubCategoryApi';
import { onBeforeUpdate, onMounted, onUpdated, ref } from 'vue';
import { useRoute } from 'vue-router';
// import GoodItem from '../Home/components/GoodItem.vue';
const subCategoryData = ref({})
const route = useRoute()
const getCategory = async () => {
  let res = await getCategoryFilterAPI(route.params.id)
  subCategoryData.value = res.data
  // console.log(subCategoryData);
}
onMounted(()=>{
  getCategory()
  getSubCategory()
})

//二级分类页面的商品列表接口
import { getSubCategoryAPI } from '@/apis/SubCategoryApi';
import GoodItem from '../Home/components/GoodItem.vue';
// import { tabBarProps } from 'element-plus';
const subCategoryGoodData = ref({
  categoryId: route.params.id,
  page: 1,
  pageSize: 20,
  sortField: 'publishTime',
})
const goods = ref([])
const getSubCategory = async () => {
  loading.value=true
  let res = await getSubCategoryAPI(subCategoryGoodData.value)
  // console.log(res.result.items);
  goods.value = res.result.items
  loading.value=false
}

//切换排序的时候
const changeGetGoods = () => {
  // console.log("tabbar切换了",subCategoryGoodData.value.sortField);
  subCategoryData.value.page=1
  getSubCategory(subCategoryData)
  // getSubCategory()
}
//加载
const loading =ref(false)

//无限滚动
const disload = ref(false)
const load =async () => {
  // console.log("加载了");
  loading.value=true
  subCategoryGoodData.value.page++
  let res = await getSubCategoryAPI(subCategoryGoodData.value)
  // console.log(res.result);
  
  goods.value = [...goods.value, ...res.result.items]
  loading.value=false
  if(res.result.items.length === 0){
    disload.value = true
    // console.log("到底了");
    
  }
}
</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="`/category/${subCategoryData.parentId}`">{{subCategoryData.parentName}}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{subCategoryData.name}}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container">
      <el-tabs v-model="subCategoryGoodData.sortField" @tab-change="changeGetGoods">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-loading="loading" v-infinite-scroll="load" :infinite-scroll-disabled="disload">
         <!-- 商品列表-->
          <GoodItem  v-for="goods in goods" :goods="goods" :key="goods.id" />
      </div>
    </div>
  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>